Finding the Fourth Proportional to 150,087.06, 207,118.53 and 82,105.38

Step by Step Solution

1. Step 1: Write the proportion equation
   150,087.06 : 207,118.53 = 82,105.38 : x
2. Step 2: Convert to fraction form
   150,087.06/207,118.53 = 82,105.38/x
3. Step 3: Cross multiply
   150,087.06x = 207,118.53 × 82,105.38
4. Step 4: Simplify right side
   150,087.06x = 17,005,545,610.69
5. Step 5: Solve for x
   x = 17,005,545,610.69/150,087.06
6. Step 6: Final answer
   x = 113,304.54